US2743401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic amplifier control system
Assignee: Westinghouse Electric Corp
•
Filing: 1952-09-30
•
Granted: 1956-04-24
•
Expires: 1972-09-30
Abstract
No abstract record available.
Inventors
- 👤 Raymond W Moore
- 👤 William D King
- 👤 James T Carleton
- 👤 Loren F Stringer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:37
CPC Classifications
H; H02; H02P; H02P7/00; H02P7/06; H02P7/18; H02P7/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1871697A
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US2070323A
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US2186839A
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US2320833A
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US2600308A
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US2629847A
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US2632139A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |